/Engine/Source/Runtime/Engine/Public/AudioStreamingCache.h
Static helper function to make sure a chunk is withing the bounds of aUSoundWave.
static bool DoesKeyContainValidChunkIndex ( const [FChunkKey](API\Runtime\Engine\FAudioChunkCache\FChunkKey) & InKey, const [FSoundWaveData](API\Runtime\Engine\Sound\FSoundWaveData) & InSoundWaveData )